BackAndForth

Recording by Xavier Wulf.

Recording identifiers

ISRC
USUYG1300602
CopyrightID (CopyrightChains transaction hash)
0xe3cce7453524857047323f03a5035339988053360c9268baa302784b1994ca0c
Copyright registration time
2026-06-08T04:52:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:fb2783dae52417ca3f2319ba0c1ffa5d6c247238ae0e57ed9a2ba660f29ef6d0

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.